<template>
  <el-row>
    <el-col :span="10">
      <div class="grid-content ep-bg-purple">
        <h1>Hi,你好</h1>
        <h1>欢迎进入极客侠后台系统</h1>
        <!--  -->
        <el-image class="ep-bg-purple-img" :src="login" mode="scaleToFill" />
      </div>
    </el-col>
    <el-col :span="14">
      <div class="grid-content ep-bg-purple-light">
        <el-image :src="logo" mode="scaleToFill" />
        <div class="login">
          <el-form
            ref="loginRef"
            :model="loginForm"
            :rules="loginRules"
            class="login-form"
          >
            <el-form-item prop="username">
              <el-input
                v-model="loginForm.username"
                type="text"
                size="large"
                auto-complete="off"
                placeholder="账号"
              >
                <template #prefix
                  ><svg-icon
                    icon-class="user-line"
                    class="el-input__icon input-icon"
                /></template>
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input
                v-model="loginForm.password"
                type="password"
                size="large"
                auto-complete="off"
                placeholder="密码"
                @keyup.enter="handleLogin"
              >
                <template #prefix
                  ><svg-icon
                    icon-class="password-line"
                    class="el-input__icon input-icon"
                /></template>
              </el-input>
            </el-form-item>
            <el-form-item prop="code" v-if="captchaEnabled">
              <el-input
                v-model="loginForm.code"
                size="large"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                @keyup.enter="handleLogin"
              >
                <template #prefix
                  ><svg-icon
                    icon-class="validCode"
                    class="el-input__icon input-icon"
                /></template>
              </el-input>
              <div class="login-code">
                <img :src="codeUrl" @click="getCode" class="login-code-img" />
              </div>
            </el-form-item>
            <el-form-item style="width: 100%">
              <el-button
                :loading="loading"
                size="large"
                type="primary"
                style="width: 100%"
                color="rgba(28,0,198,0.6)"
                @click.prevent="handleLogin"
              >
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
              <div style="float: right" v-if="register">
                <router-link class="link-type" :to="'/register'"
                  >立即注册</router-link
                >
              </div>
            </el-form-item>
            <el-checkbox
              v-model="loginForm.rememberMe"
              style="margin: 0px 0px 25px 0px"
              >记住密码</el-checkbox
            >
          </el-form>
          <!--  底部  -->
          <div class="el-login-footer">
            <span>Copyright © 2006-至今 疯狂的补发Li All Rights Reserved.</span>
          </div>
        </div>
      </div>
    </el-col>
  </el-row>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from "@/store/modules/user";
import login from "@/assets/images/login.png";
import logo from "@/assets/images/logo.png";

const userStore = useUserStore();
const router = useRouter();
const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: "",
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }],
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

function handleLogin() {
  proxy.$refs.loginRef.validate((valid) => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), {
          expires: 30,
        });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore
        .login(loginForm.value)
        .then(() => {
          router.push({ path: redirect.value || "/" });
        })
        .catch(() => {
          loading.value = false;
          // 重新获取验证码
          if (captchaEnabled.value) {
            getCode();
          }
        });
    }
  });
}

function getCode() {
  getCodeImg().then((res) => {
    captchaEnabled.value =
      res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.data.img;
      loginForm.value.uuid = res.data.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password:
      password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
  };
}

getCode();
getCookie();
</script>

<style lang="scss" scoped>
.el-col {
  width: 100vw;
  height: 100vh;
}
.ep-bg-purple {
  width: 100%;
  height: 100%;
  background: #1c00c6;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  .ep-bg-purple-img {
    width: 332px;
    height: 368px;
    margin-top: 58px;
  }
}
.ep-bg-purple-light {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  .el-image {
    width: 144px;
    height: 144px;
  }
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  background-size: cover;
  // background: #000000;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
  .el-checkbox {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
  }
  :deep(.el-checkbox__label) {
    color: #84909d;
  }
  :deep(.el-checkbox__inner) {
    border-radius: 50% !important;
  }
  :deep(.border-color) {
    border-color: #84909d;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
  color: rgba(153, 153, 153, 0.9);
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
